Disposable absorbent articles comprising microporous polymer...

A - Human Necessities – 61 – L

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A61L 15/18 (2006.01) A61L 15/24 (2006.01) A61L 15/42 (2006.01) C08K 3/26 (2006.01)

Patent

CA 2317016

A disposable absorbent article is disclosed, comprising a topsheet, a backsheet and an absorbent layer between the topsheet and the backsheet, wherein the backsheet is comprised of a microporous polymer film printed with a registered graphic and comprising by weight: from about 30 % to about 60 % of a polyolefin; and from about 40 % to about 80 % of calcium carbonate; wherein the film has a "b" value of between about 0 and about 0.5 and exhibits less than about 2 % thermal shrinkage at about 50 ° C and about 50 % relative humidity for one week.

L'invention concerne un article absorbant jetable comprenant une feuille extérieure, une feuille arrière et une couche absorbante entre la feuille extérieure et la feuille arrière, caractérisé en ce que la feuille arrière est constituée par un film polymère microporeux sur lequel est imprimé un motif graphique enregistré et renferme en poids environ 30 % à environ 60 % d'une polyoléfine; environ 40 % à environ 80 % de carbonate de calcium, en ce que le film possède un indice "b" compris entre environ 0 et environ 0,5 et présente un retrait thermique inférieur à environ 2 % à environ 50 DEG C, et une humidité relative d'environ 50 % pendant une semaine.

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